Riffraff Diesel Technical Knowledge Center
5R110 TorqShift, Common Problems: Symptoms, Causes, and Diagnostic Tips
Aug 7th 2026
The 5R110 TorqShift used behind the 6.0L and 6.4L Power Stroke is a strong transmission, but just like anything else, it's not bullet proof and will need repair from time to time. Fluid, electrical, h
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Diamond Eye 4" Aluminized Turbo-Back Exhaust for 1999–Early 2003 7.3 Powerstroke
Aug 7th 2026
The factory 7.3 Powerstroke exhaust is restrictive, especially on trucks that tow, run tuning, or need better airflow out of the turbo. The Diamond Eye 4" Aluminized Turbo-Back Exhaust gives 1999&ndas
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Alliant FICM Fuel Injector Control Module for 2003–2004 6.0L Powerstroke
Aug 3rd 2026
The 6.0L Powerstroke FICM controls injector operation, and when it starts dropping voltage, the truck can act like it has bad injectors, weak batteries, glow plug issues, or all of the above. Common s
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How to Test a 6.0L Powerstroke Electronic Fan Clutch
Jul 31st 2026
A weak fan clutch can make a healthy 6.0L Powerstroke look like it has a major cooling-system problem. The truck may stay cool unloaded, then heat up while towing, climbing a grade, idling, or running
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EBC Brake Upgrades for Ford Powerstroke Trucks
Jul 31st 2026
A Powerstroke is heavy before the trailer gets hooked up. Add bigger tires, a trailer, steep grades, heat, and daily use, and the brake system starts working a lot harder than most people give it cred
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